Home / 45,007.98-67,513.05-13,843.50

Finding the Fourth Proportional to 45,007.98, 67,513.05 and 13,843.50

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Solution

The fourth proportional to 45,007.98, 67,513.05 and 13,843.50 is: 20,765.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,007.98 : 67,513.05 = 13,843.50 : x
  2. Step 2: Convert to fraction form
    45,007.98/67,513.05 = 13,843.50/x
  3. Step 3: Cross multiply
    45,007.98x = 67,513.05 × 13,843.50
  4. Step 4: Simplify right side
    45,007.98x = 934,616,907.68
  5. Step 5: Solve for x
    x = 934,616,907.68/45,007.98
  6. Step 6: Final answer
    x = 20,765.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.